Select the correct answer.

Which relation is a function?

A.

x y

4 - 2

5 - 3

6 - 2

7 - 3

B.

x y

3 10

2 20

3 30

4 40

C.

x y

-5 2

-5 3

-10 4

-10 5

D.

x y

10 15

20 25

8 30

20 35

Reset Next

Introduction to Functions: Mastery Test

Question

Mathematics

Ignacio Ho

14 April, 17:37

Select the correct answer.

Which relation is a function?

A.

x y

4 - 2

5 - 3

6 - 2

7 - 3

B.

x y

3 10

2 20

3 30

4 40

C.

x y

-5 2

-5 3

-10 4

-10 5

D.

x y

10 15

20 25

8 30

20 35

Reset Next

Introduction to Functions: Mastery Test

+4

Answers (1)

Know the Answer?

Aliyah Newton · Answer 1

The correct choice is A.

Step-by-step explanation:

The relation which is a function is the one in which none of the first coordinates repeated.

A.

x y

4 - 2

5 - 3

6 - 2

7 - 3

We can see that none of the first coordinates repeated in this relation.

Its graph will pass the vertical line test.

It is a function.

Select the correct answer.Which relation is a function?A.x y4 - 25 - 36 - 27 - 3B.x y3 102 203 304 40C.x y-5 2-5 3-10 4-10 5D.x y10 1520 258 3020 35Reset NextIntroduction to Functions: Mastery Test

Select the correct answer.

Which relation is a function?

A.

x y

4 - 2

5 - 3

6 - 2

7 - 3

B.

x y

3 10

2 20

3 30

4 40

C.

x y

-5 2

-5 3

-10 4

-10 5

D.

x y

10 15

20 25

8 30

20 35

Reset Next

Introduction to Functions: Mastery Test